Home / 112,015.78-167,893.66-45,373.03

Finding the Fourth Proportional to 112,015.78, 167,893.66 and 45,373.03

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Solution

The fourth proportional to 112,015.78, 167,893.66 and 45,373.03 is: 68,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015.78 : 167,893.66 = 45,373.03 : x
  2. Step 2: Convert to fraction form
    112,015.78/167,893.66 = 45,373.03/x
  3. Step 3: Cross multiply
    112,015.78x = 167,893.66 × 45,373.03
  4. Step 4: Simplify right side
    112,015.78x = 7,617,844,071.99
  5. Step 5: Solve for x
    x = 7,617,844,071.99/112,015.78
  6. Step 6: Final answer
    x = 68,006.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.